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CPB（常数百分比带宽）_百度百科
CPB 分析仪对时域数据进行滤波分析，主要用于声学信号分析。 Overall Bands Weighting：对 L 和 A 计权总值计权,是对总级值计权,该选项相当于提供了一个”声级计”功能。 Linear 即线性平 …
What is CPB-analysis? - DEWETRON
2022年4月22日 · CPB is an abbreviation and stands for constant percentage bandwidth. But what does it mean? Let’s approach the subject by analyzing the terms one by one: Bandwidth: The …
基本信号分析之倍频程谱分析和计权 - 知乎 - 知乎专栏
1 倍频程（CPB /Constant PercentBandwidth等比带宽） 倍频程：频谱横坐标非等间隔，而是等比间隔，通常按1/n倍频进行增加。 效果：低频处，频率分辨率高；高频时，频率分辨率低。
A bandwidth concept for CPB time-frequency analysis
2002年8月6日 · The CPB (constant percentage bandwidth) concept is applied to time-frequency analysis. The immediate CPB equivalent of the most common constant bandwidth approach, …
倍频程分析 - 倍频程分析仪 | Dewesoft
什么是恒定百分比带宽 (cpb) 滤波器？ CPB 滤波器是一种带宽为中心频率的固定百分比的滤波器。 各个过滤器的宽度是相对于它们在感兴趣范围内的位置来定义的。
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Octave Analysis > Frequency Domain Analysis > Math - Dewesoft
As opposed to FFT analysis, which has a specific number of lines per linear frequency (x axis), CPB (constant percentage bandwidth, called also octave) has a specific number of lines if …
Octave Band Analysis - Octave Band Analyzer - Dewesoft
Dewesoft octave band analyzer meets all of the IEC and ANSI specifications for octave filters. Dewesoft offers flexible data acquisition hardware with an industry-leading 7-year warranty, …
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Octave Scaling - spectraplus.com
Octave band analysis has been defined as a standard for acoustic analysis. This type of spectrum is called constant percentage band (CPB) because each frequency band is a constant …
基本信号分析之倍频程谱分析和计权_理论_科普_振动_信号完整性_ …
倍频程 (CPB /Constant PercentBandwidth等比带宽) 倍频程： 频谱横坐标非等间隔，而是等比间隔，通常按1/ n 倍频进行增加。 效果： 低频处，频率分辨率高；高频时，频率分辨率低。
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